calendar

[kal-uh n-der] /ˈkæl ən dər/

noun

a table or register with the days of each month and week in a year:

He marked the date on his calendar.

any of various systems of reckoning time, especially with reference to the beginning, length, and divisions of the year.

Compare Chinese calendar, Gregorian calendar, Hindu calendar, Jewish calendar, Julian calendar, Muslim calendar.

a list or register, especially one arranged chronologically, as of appointments, work to be done, or cases to be tried in a court.

a list, in the order to be considered, of bills, resolutions, etc., brought before a legislative body.

Obsolete. a guide or example.

verb (used with object)

to enter in a calendar; register.

Origin

1175-1225; Middle English calender < Anglo-French < Latin calendārium account book, equivalent to Calend(ae) calends (when debts were due) + -ārium -ary; see -ar²

Related forms

calendrical

[kuh-len-dri-kuh l] /kəˈlɛn drɪ kəl/ (Show IPA), calendric, calendarial

[kal-uh n-dair-ee-uh l] /ˌkæl ənˈdɛər i əl/ (Show IPA), calendarian, calendaric, adjective

uncalendared, adjective

Can be confused

calendar, calender, colander.

Synonyms

3. diary, schedule, program.

Examples from the web for calendar

It's still hot, the leaves are green and the calendar says August.
All in secret, at a “social event” which somehow got kept off his official calendar.
Turns out the real academic calendar follows the successive philosophical stages through which all students necessarily progress.
It is the last mission on the calendar for Discovery before the shuttle program is phased out in 2011.
That was when he realized exactly what kind of calendar he had agreed to pose for.
For now, it seems the American economy will struggle to grow by 3% in the first full calendar year after the recession.
It would be even better if it hooked into your calendar to tell you what appointments the day may hold.
The Roman calendar had gotten into a first-class mess by then.
Creators of a pioneering written language and calendar, the Olmec are generally regarded as the first advanced civilization .
According to the Chinese calendar, it's 4703.

British Dictionary definitions for calendar

calendar

/ˈkælɪndə/

noun

a system for determining the beginning, length, and order of years and their divisions See also Gregorian calendar, Jewish calendar, Julian calendar, Revolutionary calendar, Roman calendar

a table showing any such arrangement, esp as applied to one or more successive years

a list, register, or schedule of social events, pending court cases, appointments, etc

verb

(transitive) to enter in a calendar; schedule; register

Derived Forms

calendrical (kæˈlɛndrɪkəl), calendric, adjective

Word Origin

C13: via Norman French from Medieval Latin kalendārium account book, from Kalendae the calends, when interest on debts became due

Word Origin and History for calendar

c.1200, "system of division of the year;" mid-14c. as "table showing divisions of the year;" from Old French calendier "list, register," from Latin calendarium "account book," from calendae/kalendae "calends" the first day of the Roman month -- when debts fell due and accounts were reckoned -- from calare "to announce solemnly, call out," as the priests did in proclaiming the new moon that marked the calends, from PIE root kele- (2) "to call, shout" (see claim (v.)).

Taken by the early Church for its register list of saints and their feast days. The -ar spelling in English is 17c. to differentiate it from the now obscure calender "cloth-presser."